Item Specications
Rated Primary Current I
pr
● 100 A
● 250 A
Rated transformation ratio N ● 100 A, 2500 : 1
● 250 A, 5000 : 1
Rated Load R
b
20 Ω
DC component and even
harmonic
No
Accuracy 0.5
AC withstand voltage Power frequency voltage between primary
winding and secondary winding: 3 KV/min, no
breakdown or arcing, Leakage current < 1 mA
Insulation Resistance Between the primary winding and the
secondary winding ≥ 500 MΩ/500 V DC
Electrical Circuit Diagram
Figure 5-1 Electrical Circuit Diagram
Product Size
The following gures show the CT structure of the DTSU666-H and DTSU666-H
250 A/50 mA meters.
DTSU666-H 100 A and 250 A Smart Power Sensor
User Manual 5 Current Transformer
Issue 06 (2024-05-06) Copyright © Huawei Digital Power Technologies Co., Ltd. 25